CN102469930B - Endoscope system - Google Patents
Endoscope system Download PDFInfo
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- CN102469930B CN102469930B CN201080034138.3A CN201080034138A CN102469930B CN 102469930 B CN102469930 B CN 102469930B CN 201080034138 A CN201080034138 A CN 201080034138A CN 102469930 B CN102469930 B CN 102469930B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/042—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
- A61B1/000094—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope extracting biological structures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
- A61B1/0005—Display arrangement combining images e.g. side-by-side, superimposed or tiled
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00177—Optical arrangements characterised by the viewing angles for 90 degrees side-viewing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00174—Optical arrangements characterised by the viewing angles
- A61B1/00181—Optical arrangements characterised by the viewing angles for multiple fixed viewing angles
Abstract
Provided is an endoscope system comprising: an endoscope which acquires a direct view image and a side view image of an object to be observed; a detection unit which acquires a predetermined detection result on the basis of a predetermined output signal or predetermined output information; and an image processing unit which performs processing for generating an observation image provided with the direct view image and the side view image within the same screen, enlarging and displaying either one of the direct view image or the side view image in a display unit on the basis of the predetermined detection result, and changing the display form of the other view image in the display unit.
Description
Technical field
The present invention relates to endoscopic system, particularly can observe the endoscopic system of direct-view direction and side-looking direction simultaneously.
Background technology
In medical field and industrial circle etc., be widely used following endoscopic system: this endoscopic system has endoscope that the subject of subject inside is made a video recording and generates by this endoscope makes a video recording and the image processing apparatus of the observation image of this subject of obtaining etc.
For example in TOHKEMY 2008-309860 communique, disclose following optical system and there is the endoscope of this optical system: this optical system can obtain the shot object image of the direct-view direction that is equivalent to central axis direction and the omnibearing shot object image of the side-looking direction substantially vertical with this central axis direction simultaneously.And, according to the disclosed endoscope with optical system of TOHKEMY 2008-309860 communique, on the display parts such as monitor, show that the image (direct-view field-of-view image) of the direct-view direction of rounded shape and the periphery at the image of this direct-view direction are the image (side-looking field-of-view image) of the complete cycle of the side-looking direction of toroidal.
But, according to the disclosed endoscope with optical system of TOHKEMY 2008-309860 communique, by taking above-mentioned display mode, the display size of the image of having to make each visual field direction becomes the little size than existing direct viewing type endoscope or side-view type endoscope, so, its result, produces the problem that shows the low image of visuognosis.
The present invention completes in view of described situation, and its object is, the endoscopic system of the visuognosis in the image that can observe direct-view direction and side-looking direction simultaneously and can improve a visual field direction is provided.
Summary of the invention
For solving the means of problem
Endoscopic system of the present invention has: endoscope, and it obtains direct-view field-of-view image and the side-looking field-of-view image of object of observation thing; Test section, output signal or regulation output information obtain regulation testing result according to the rules for they; And image processing part, it is handled as follows: be created on the observation image in same picture with described direct-view field-of-view image and described side-looking field-of-view image, according to described regulation testing result, in display part, amplify the field-of-view image showing in described direct-view field-of-view image and described side-looking field-of-view image, and change the display mode of another field-of-view image in described display part.
Brief description of the drawings
Fig. 1 is the figure that the structure of the endoscopic system of embodiments of the invention is shown.
Fig. 2 is the axonometric chart that the structure of the leading section of the insertion section of endoscope is shown.
Fig. 3 is the front view that the structure of the leading section of the insertion section of endoscope is shown.
Fig. 4 is the figure that is illustrated in an example of the observation image showing on monitor.
Fig. 5 is the figure that the structure of the major part of the 1st embodiment is shown.
Fig. 6 is the figure that the structure of the major part of the variation of the 1st embodiment is shown.
Fig. 7 is the figure that an example of the display mode of the image after the conversion of variation of the 1st embodiment is shown.
Fig. 8 is the figure that the example different from Fig. 7 of the display mode of the image after the conversion of variation of the 1st embodiment is shown.
Fig. 9 is the figure that the structure of the major part of the 2nd embodiment is shown.
Figure 10 is the figure that the structure of the major part of the variation of the 2nd embodiment is shown.
Figure 11 is the figure that the structure of the major part of the 3rd embodiment is shown.
Figure 12 is the figure that the structure of the major part of the 4th embodiment is shown.
Figure 13 is the figure that is illustrated in an example of the display mode while amplifying direct-view field-of-view image in the observation image of Fig. 4.
Figure 14 is the figure that is illustrated in an example of the display mode while amplifying side-looking field-of-view image in the observation image of Fig. 4.
Figure 15 is the figure illustrating as an example of the original image of image handling object.
The figure of example when Figure 16 is the side-looking field-of-view image of the scope that illustrates that the direct-view field-of-view image with after amplifying in the original image of the side-looking field-of-view image that has only shown Figure 15 is adjacent.
The figure of example when Figure 17 is the side-looking field-of-view image of the scope that illustrates that the direct-view field-of-view image after not being exaggerated in the original image of the side-looking field-of-view image that has only shown Figure 15 covers.
Figure 18 is the figure of the example when the field range of the original image that has shown the side-looking field-of-view image that maintains Figure 15 being shown and this original image being implemented to the compressed image after image Compression.
Figure 19 is the figure that an example of the image that comprises intraluminal dark portion is shown.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.
(the 1st embodiment)
As shown in Figure 1, endoscopic system 1 has: to object of observation thing make a video recording and export image pickup signal endoscope 2, be provided for the illumination light that this object of observation thing is thrown light on light supply apparatus 31, generate and export the video processor 32 of the video signal corresponding with this image pickup signal and show and the monitor 35 of observation image corresponding to this video signal.
Endoscope 2 is configured to be had: the operating portion 3 of controlling to operate for operative doctor, be formed on the front of operating portion 3 and the elongated insertion section 4 that is inserted in body cavity etc. and be arranged to the general flexible cord 5 that an end extends out from the sidepiece of operating portion 3.
Insertion section 4 is configured to be had: be arranged on the hard of side foremost leading section 6, be arranged on leading section 6 rear end bending section 7 freely of bending and be arranged on bending section 7 rear end strip and there is flexible flexible pipe portion 8.And bending section 7 carries out the flexure operation corresponding with the operation that is arranged on the bending operation bar 9 on operating portion 3.
On the other hand, as shown in Figure 2, be formed with the cylindrical portion 10 of cylindrical shape at the leading section 6 of insertion section 4, this cylindrical portion 10 is by eccentric outstanding setting the in position in the front end face mediad top from leading section 6.
Be provided with the not shown objective lens optical system that has direct-view and side-looking concurrently at the leading section of cylindrical portion 10.And the leading section of cylindrical portion 10 is configured to be had: at the side-looking observation window 13 of line-of-sighting observation window 12 and configuring at the position suitable with the side-looking direction of described not shown objective lens optical system of the position configuration suitable with the direct-view direction of described not shown objective lens optical system.And then, near the cardinal extremity of cylindrical portion 10, be formed with the side-looking Lighting Division 14 that penetrates the light throwing light on for offside apparent direction.
Side-looking observation window 13 has mirror lens 15 for side-looking, this side-looking by the back light from object of observation thing of the Zhou Fangxiang incident of the cylindrical portion from cylindrical shape 10 (reflected light) is captured in the side-looking visual field, can obtain side-looking field-of-view image with mirror lens 15.
In addition, dispose imaging apparatus (shooting face) at the image space of described not shown objective lens optical system, make the image of the object of observation thing in central part forms the visual field of line-of-sighting observation window 12 as circular direct-view field-of-view image, and the image of the object of observation thing in the peripheral part of this direct-view field-of-view image forms the visual field of side-looking observation window 13 is as the side-looking field-of-view image of toroidal.
Front end face at leading section 6 is provided with: direct-view illuminating window 16, and it is configured in the position adjacent with cylindrical portion 10, penetrates illumination light to the direct-view field range of line-of-sighting observation window 12; And front end opening 17, itself and not shown treatment instrument channel connection by being disposed in pipe in insertion section 4 etc. and forming, and can make to run through the treatment instrument (leading section) inserting in this treatment instrument passage and give prominence to.
And the leading section 6 of insertion section 4 has and is configured to the support portion 18 outstanding from the front end face of leading section 6, this support portion 18 is positioned at the position adjacent with the lower side of cylindrical portion 10.
Support portion 18 is configured to and can supports (or maintenance) and is configured to the each projecting part outstanding from the front end face of leading section 6.Particularly, support portion 18 is configured to and can supports respectively (or maintenance) and line-of-sights observation line-of-sighting observation window spray nozzle part 19, penetrating the direct-view illuminating window 21 of the light for direct-view direction is thrown light on and ejaculation for cleaning the gas of side-looking observation window 13 or the spray nozzle part 22 for side-looking observation window of liquid of the gas of window 12 or liquid as the ejaculation of described each projecting part for cleaning.
On the other hand, support portion 18 is formed as having the shielding portion 18a as optics curtain-shaped cover member, and this shielding portion 18a makes can not obtain the side-looking field-of-view image that appears at any one party that comprises this each projecting part in the side-looking visual field due to described each projecting part of the object as different from object of observation thing originally., by shielding portion 18a being set on support portion 18, can not being comprised the side-looking field-of-view image of line-of-sighting observation spray nozzle part 19 for window, direct-view illuminating window 21, side-looking observation window spray nozzle part 22.
As shown in Figures 2 and 3, side-looking observation window is arranged on 2 positions of support portion 18 with spray nozzle part 22, and the mode that former distal process goes out is configured in the side of support portion 18.
As shown in Figure 1, operating portion 3 is provided with and can carries out penetrating the liquor charging action button 24a and can carry out penetrating from side-looking observation window spray nozzle part 22 the liquor charging action button 24b that supplies gas that the operation of gas for cleaning side-looking observation window 13 or liquid is indicated of supplying gas of line-of-sighting observation the gas of window 12 or the operation of liquid instruction for cleaning from line-of-sighting observation window spray nozzle part 19, by pressing this supply gas liquor charging action button 24a and 24b, can switch with liquor charging supplying gas.And, in the present embodiment, with each spray nozzle part, multiple liquor charging action buttons of supplying gas are set accordingly, still, for example also can, by the operation of the liquor charging action button of supplying gas, penetrate gas or liquid from the both sides of line-of-sighting observation window spray nozzle part 19 and side-looking observation window spray nozzle part 22.
Mirror body switch 25 arranges multiple at the top of operating portion 3, have the structure of the function that can distribute each switch, so that the output signal corresponding with unlatching or the disconnection etc. of the various functions that can use in endoscope 2.Particularly, for example, the function that can be allocated as follows mirror body switch 25 is as the function of each switch: output is sent the beginning of water with front and the conciliation of execution that stops, freezing removes and the using state for the treatment of instrument the corresponding signal such as inform.
In addition, in the present embodiment, also the function of at least any one party in liquor charging action button 24a and 24b of supplying gas can be distributed to any one party in mirror body switch 25.
And operating portion 3 is equipped with vacuuming operation button 26, this vacuuming operation button 26 can carry out the instruction for aspirate and reclaim endoceliac mucus etc. from front end opening 17 to not shown pump unit etc.
And, endoceliac mucus being sucked according to the action of not shown pump unit etc. etc. through the not shown treatment instrument passage in front end opening 17, insertion section 4, be arranged on after near the treatment instrument insert port 27 front end of operating portion 3, be recovered in suction bottle of not shown pump unit etc.
Not shown treatment instrument channel connection in treatment instrument insert port 27 and insertion section 4, and be formed as inserting the opening of not shown treatment instrument.That is, operative doctor inserts treatment instrument from treatment instrument insert port 27, and makes the front of this treatment instrument outstanding from front end opening 17, thereby can utilize this treatment instrument to dispose.
On the other hand, as shown in Figure 1, be provided with the adapter 29 that can be connected with light supply apparatus 31 in the other end of general flexible cord 5.
Be provided with as the joint (not shown) of the connection end of fluid line and as the light guide connector (not shown) of the supply end of illumination light at the leading section of adapter 29.And, be provided with the electric contact portion (not shown) of an end that can connect connection cord 33 in the side of adapter 29.And then, be provided with the adapter for being electrically connected with endoscope 2 and video processor 32 in another end of connection cord 33.
For transmitting multiple holding wires of the various signals of telecommunication and being built in general flexible cord 5 for the photoconduction that the illumination light providing from light supply apparatus 31 is provided with the state of bunchy.
From insertion section 4 to general flexible cord 5, built-in described photoconduction has following structure: the end of light emitting side near insertion section 4 at least to 2 direction branches, and, the light of one side penetrates end face and is disposed on direct-view illuminating window 16 and 21, and the light of opposite side ejaculation end face is disposed on side-looking Lighting Division 14.And described photoconduction has following structure: the end of light incident side is disposed in the light guide connector of adapter 29.
The driving signal of video processor 32 outputs for the imaging apparatus on the leading section 6 that is arranged on endoscope 2 is driven.And video processor 32 is by the image pickup signal enforcement signal processing to from described imaging apparatus output, generating video signal also outputs to monitor 35.Thus, for example on monitor 35, show the observation image that there is the direct-view field-of-view image of rounded shape and be the side-looking field-of-view image of toroidal in the periphery of the image of this direct-view direction in the mode shown in Fig. 4.In addition, in the observation image shown in the present embodiment and later embodiment, do not consider the part that the shielding portion 18a optics of supported portion 18 covers.On the other hand, video processor 32 can be according to the signal of exporting from mirror body switch 25, and (in operation detection part 32b described later) detects a situation that function be unlocked or disconnect corresponding with this signal.
And video processor 32, according to the various essential factors that describe in detail, carries out following image processing below: the display mode that changes the observation image in same picture with described direct-view field-of-view image and described side-looking field-of-view image.
The peripheral devices such as light supply apparatus 31, video processor 32 and monitor 35 are configured on pallet 36 together with carrying out the keyboard 34 of input of patient information etc.
Then, the effect of the present embodiment is described.
First, illustrate in the endoscopic system 1 of major part at Fig. 5, be arranged on each portion starting of imaging apparatus 51, video processor 32 and monitor 35 on the leading section 6 of endoscope 2, thus, export image pickup signal from imaging apparatus 51.
The image processing part 32a (with reference to Fig. 5) of video processor 32 implements signal processing by the image pickup signal to exporting from imaging apparatus 51, and generating video signal also outputs to monitor 35.Thus, display case observation image as shown in Figure 4 on monitor 35.
On the other hand, operative doctor is disposed for the treatment instrument that utilizes expectation, inserts the treatment instrument of this expectation from treatment instrument insert port 27, and the front of the treatment instrument of this expectation is given prominence to from front end opening 17.Accompany therewith, operative doctor is from treatment instrument insert port 27 is inserted the treatment instrument of described expectation, the front for the treatment of instrument that makes described expectation be projected into from front end opening 17 carry out actual disposal till during arbitrarily during in, by operation mirror body switch 25, output utilizes the treatment instrument of the meaning that the treatment instrument of described expectation disposes to use alert signal for informing to video processor 32.
In addition, described treatment instrument is not limited to export according to the operation of mirror body switch 25 by alert signal, for example, also can be used as from the output signal of optical sensor and export, this optical sensor is arranged near near at least any one party front end opening 17 and in treatment instrument insert port 27.
The operation detection part 32b (with reference to Fig. 5) of video processor 32 uses alert signal according to the treatment instrument of exporting from mirror body switch 25, to using the situation for the treatment of instrument to detect in endoscope 2, to image processing part 32a output detections result.
In the case of endoscope 2, use the such testing result for the treatment of instrument having exported from operation detection part 32b, image processing part 32a amplifies the processing of direct-view field-of-view image (increasing the display size in monitor 35), and, carry out changing according to the amplification of direct-view field-of-view image the image processing of the display mode of side-looking field-of-view image.
Particularly, about the described image processing of display mode that changes side-looking field-of-view image, for example, for the original image of the side-looking field-of-view image of Figure 15, can be on monitor 35 only show with amplify after the adjacent scope (center side of original image) of direct-view field-of-view image (Figure 16), also can on monitor 35, only show that scope (outer edge side of original image) that the direct-view field-of-view image after not being exaggerated covers is (Figure 17).Or, about the described image processing of display mode that changes side-looking field-of-view image, for example, also can on monitor 35, show the field range of the original image that maintains side-looking field-of-view image and this original image is implemented to the compressed image (Figure 18) after image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 13 and outputs to monitor 35.In the illustrated observation image of Figure 13, follow the amplification of direct-view field-of-view image to show, show the image suitable with a part for the original image of side-looking field-of-view image or the original image of side-looking field-of-view image is compressed after image.
Here, using treatment instrument to carry out in endoscopic situation, general employing makes the outstanding maneuver of affected part for the treatment of instrument towards direct-view direction.And, according to the observation image with the display mode shown in Figure 13, can observe the direct-view field-of-view image after amplification on one side, make swimmingly on one side treatment instrument outstanding and approach a series of operation of affected part to direct-view direction.
In addition, in the present embodiment, be not limited to amplify demonstration direct-view field-of-view image (generating the observation image of the display mode shown in Figure 13) in the situation that using treatment instrument to dispose, for example, send the signal of water in the case of being used to indicate beginning front from 25 outputs of mirror body switch, also can amplify and show direct-view field-of-view image (generating the observation image of the display mode shown in Figure 13).
As mentioned above, according to the present embodiment, can be according at least one party in the mode of operation of the using state for the treatment of instrument and mirror body switch, raising can be observed the visuognosis of the image of a visual field direction in the observation image of looking at direction and side-looking direction straight simultaneously.
And, as the variation of the present embodiment, also can be configured to, when having carried out in bending operation bar 9 the bending operation of bending section 7, the observation image of generation the output display mode different from above-mentioned display mode.
In this case, for example as shown in Figure 6, the operation detection part 32b of video processor 32 detects the bending direction of bending section 7 according to the mode of operation of bending operation bar 9, and to image processing part 32a output detections result.
In the case of exported the testing result of bending direction of bending section 7 from operation detection part 32b, image processing part 32a makes the display mode of the illustrated observation image of Fig. 4 transform to the image processing of other display modes corresponding with this bending direction.
Transform to the described image processing of other display modes corresponding with the bending direction of bending section 7 as the display mode that makes to observe image, for example can use the following the 1st to process: to amplify the field range of the side-looking field-of-view image corresponding with this bending direction, and make to look at straight field-of-view image and move to the rightabout of this bending direction.
Process according to the described the 1st, for example, in the situation that bending section 7 upward direction bending being detected, image processing part 32a amplifies the field range on the top of side-looking field-of-view image, and makes to look at straight field-of-view image and move to the bottom of observing image.Thus, the observation image showing on monitor 35 is from the observation image transformation shown in Fig. 4 to the observation image shown in Fig. 7.
In addition, in the present embodiment, even in the case of by described the 1st process make to observe image from the observation image transformation shown in Fig. 4 to the observation image shown in Fig. 7, also maintain direct-view field-of-view image field range.And the described the 1st processes the situation that is not limited to bending section 7 upward direction bendings, even in the case of other direction bendings beyond bending section 7 upward directions, apply also substantially samely.
On the other hand, transform to the described image processing of other display modes corresponding with the bending direction of bending section 7 as the display mode that makes to observe image, for example, can replace the described the 1st to process and use the following the 2nd to process: a part of extracting the observation image corresponding with this bending direction is amplified.
According to described the 2nd processing, for example, in the situation that bending section 7 upward direction bending being detected, image processing part 32a extracts the first half of the observation image shown in Fig. 4 and amplifies.Thus, the observation image showing on monitor 35 is from the observation image transformation shown in Fig. 4 to the observation image shown in Fig. 8.
In addition, the described the 2nd processes the situation that is not limited to bending section 7 upward direction bendings, even in the case of other direction bendings beyond bending section 7 upward directions, apply also substantially samely.
As mentioned above, according to the variation of the present embodiment, can observe in the observation image of direct-view direction and side-looking direction simultaneously, can make according to the bending direction of bending section the display mode proper transformation of this observation image, so, the visuognosis can improve bending operation time.
(the 2nd embodiment)
Then, the 2nd embodiment of the present invention is described.
In addition, in the following description, for the part with the structure identical with the 1st embodiment, detailed.And the endoscopic system of the present embodiment has followed respectively in the 1st embodiment the surface structure shown in Fig. 1～Fig. 3 and the display mode shown in Fig. 4, on the other hand, has the structural element different from the structure partial of the major part shown in Fig. 5.Therefore, in the present embodiment, the main explanation part different from the structure of the major part shown in Fig. 5.
First, illustrate in the endoscopic system 101 of major part at Fig. 9, be arranged on each portion starting of imaging apparatus 51, light supply apparatus 31, video processor 132 and monitor 35 on the leading section 6 of endoscope 102, thus, export image pickup signal from imaging apparatus 51.
The image processing part 32a of video processor 132 implements signal processing by the image pickup signal to exporting from imaging apparatus 51, and generating video signal also outputs to monitor 35.Thus, display case observation image as shown in Figure 4 on monitor 35.
On the other hand, operative doctor, by suitably insert or extract the insertion section 4 of endoscope 102 in body cavity, makes leading section 6 approach this endoceliac desired site.
At the leading section 6 of endoscope 102 or be provided with near it and can detect the information relevant with the moving direction of insertion section 4 as physical quantity and the sensor 161 (with reference to Fig. 9) of output signal.Particularly, sensor 161 is by the acceleration transducer that can detect and export the time shifting of the position of insertion section 4 as acceleration or can detect and export the formations such as the optical sensor of the displacement (amount of movement) of the time per unit of the position of insertion section 4.
And, being provided with encoder 162 (with reference to Fig. 9) in the rear class of the sensor 161 of the insertion section 4 of endoscope 102, this encoder 162 can be converted to the information detecting in sensor 161 signal of telecommunication and output to video processor 132.
The plug test section 132b (with reference to Fig. 9) of video processor 132 is according to the signal of telecommunication of exporting from encoder 162, the moving direction that detects insertion section 4 is front (direction of insertion) or rear (extracting direction), to image processing part 32a output detections result.
In the case of having exported insertion section 4 from plug test section 132b forwards (direction of insertion) mobile such testing result, image processing part 32a amplifies the processing of direct-view field-of-view image (increasing the display size in monitor 35), and, carry out changing according to the amplification of direct-view field-of-view image the image processing of the display mode of side-looking field-of-view image.
Particularly, about the described image processing of display mode that changes side-looking field-of-view image, for example, can on monitor 35, only show the adjacent scope (center side of original image) of the direct-view field-of-view image with after amplifying in the original image of side-looking field-of-view image, also can on monitor 35, only show the scope (outer edge side of original image) that the direct-view field-of-view image after not being exaggerated covers.Or, about the described image processing of display mode that changes side-looking field-of-view image, for example, also can on monitor 35, show the field range of the original image that maintains side-looking field-of-view image and to the compressed image after this original image enforcement image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 13 and outputs to monitor 35.In the illustrated observation image of Figure 13, follow the amplification of direct-view field-of-view image to show, show the image suitable with a part for the original image of side-looking field-of-view image or the original image of side-looking field-of-view image is compressed after image.
Here in the update of insertion section, mostly can produce the situation that mainly should be noted that direct-view direction.And, according to the observation image with the display mode shown in Figure 13, can observe the direct-view field-of-view image after amplification on one side, carry out swimmingly the update of insertion section 4 on one side.
And, in the case of having exported from plug test section 132b the testing result that rearward (to extract direction) mobile such of insertion section 4, image processing part 32a amplifies the processing of side-looking field-of-view image (increasing the display size in monitor 35), and, carry out changing according to the amplification of side-looking field-of-view image the image processing of the display mode of direct-view field-of-view image.
Particularly, about the described image processing that changes the display mode of looking at field-of-view image straight, for example, can on monitor 35, only show the adjacent scope (outer edge side of original image) of the side-looking field-of-view image with after amplifying in the original image of looking at field-of-view image straight, also can on monitor 35, only show the scope (center side of original image) that the side-looking field-of-view image after not being exaggerated covers.Or, about the described image processing that changes the display mode of looking at field-of-view image straight, for example, also can on monitor 35, show the field range of the original image that maintains direct-view field-of-view image and this original image is implemented to the compressed image after image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 14 and outputs to monitor 35.In the illustrated observation image of Figure 14, follow the amplification of side-looking field-of-view image to show, show the image suitable with the part of original image for direct-view field-of-view image or the original image of direct-view field-of-view image is compressed after image.
In addition, the image processing part 32a of the present embodiment also can have the illustrated display mode of Figure 14, and generates following observation image: comprising insertion section 4 is 230 ° with respect to inserting 50 ° of axial back visibibilitys in interior all visuals field.
Here extracting in operation of insertion section, mostly can produce the situation that mainly should be noted that side-looking direction.And, according to the observation image with the display mode shown in Figure 14, can observe the side-looking field-of-view image after amplification on one side, carry out swimmingly the operation of extracting of insertion section 4 on one side.
In addition, according to the present embodiment, for example also can replace the endoscopic system 101 that is configured to the Fig. 9 with sensor 161 and encoder 162, use inserted-shape acquisition device 163 to obtain endoscopic system 101A information, Figure 10 relevant with the moving direction of the insertion section 4 of endoscope 2 and be configured to.
Particularly, Figure 10 illustrates that the inserted-shape acquisition device 163 of the endoscopic system 101A of major part is for example configured to following x-ray camera head: can obtain the x-ray image of insertion section 4 and to plug test section 132b output signal.In this situation, plug test section 132b for example by the x-ray image of the insertion section 4 of carrying out successively signal output from inserted-shape acquisition device 163,2 x-ray images adjacent in time series compare, the moving direction that detects insertion section 4 is front (direction of insertion) or rear (extracting direction), to image processing part 32a output detections result.
Or, inserted-shape acquisition device 163 is for example configured to following endoscope inserted-shape detecting apparatus: can in magnetic-field detecting unit (not shown), detect the magnetic field producing according to the driving that is configured in the multiple magnetic fields producing components (not shown) on insertion section 4, and, generate the inserted-shape image of the insertion section 4 corresponding with this magnetic field and to plug test section 132b output signal.In this situation, plug test section 132b for example by the inserted-shape image of the insertion section 4 of carrying out successively signal output from inserted-shape acquisition device 163,2 inserted-shape images adjacent in time series compare, the moving direction that detects insertion section 4 is front (direction of insertion) or rear (extracting direction), to image processing part 32a output detections result.
As mentioned above, according to the present embodiment, can and extract operation according to the update of the insertion section of endoscope, raising can be observed the visuognosis of the image of a visual field direction in the observation image of looking at direction and side-looking direction straight simultaneously.
(the 3rd embodiment)
Then, the 3rd embodiment of the present invention is described.
In addition, in the following description, for the part with the structure identical with the 1st embodiment or the 2nd embodiment, detailed.And the endoscopic system of the present embodiment has followed respectively in the 1st embodiment the surface structure shown in Fig. 1～Fig. 3 and the display mode shown in Fig. 4, on the other hand, has the structural element different from the structure partial of the major part shown in Fig. 5.Therefore, in the present embodiment, the main explanation part different from the structure of the major part shown in Fig. 5.
First, illustrate in the endoscopic system 201 of major part at Figure 11, be arranged on each portion starting of imaging apparatus 51, light supply apparatus 31, video processor 232 and monitor 35 on the leading section 6 of endoscope 2, thus, export image pickup signal from imaging apparatus 51.
The image processing part 32a of video processor 232 implements signal processing by the image pickup signal to exporting from imaging apparatus 51, and generating video signal also outputs to the 232b of image analysis portion (with reference to Figure 11) and monitor 35.Thus, display case observation image as shown in Figure 4 on monitor 35.
The 232b of image analysis portion of video processor 232 presets, and makes the observation image corresponding with the video signal of exporting from image processing part 32a, using the object that has the object of specified color or have regulation brightness as terrestrial reference.
And the 232b of image analysis portion for example compares by 2 frames adjacent in time series are observed to image, detect described terrestrial reference to observing the outer edge side of image or any side shifting of center side, to image processing part 32a output detections result.Particularly, spatial gradient or time gradient (light stream) that the 232b of image analysis portion for example observes the brightness in image by use carry out computing, detect the moving direction of described terrestrial reference, to image processing part 32a output detections result.
Move such testing result to the outer edge side of observing image in the case of exported described terrestrial reference from the 232b of image analysis portion, (inserting owing to being estimated as insertion section 4, therefore,) image processing part 32a amplifies the processing of direct-view field-of-view image (increase display size in monitor 35), and, carry out changing according to the amplification of direct-view field-of-view image the image processing of the display mode of side-looking field-of-view image.
Particularly, about the described image processing of display mode that changes side-looking field-of-view image, for example, can on monitor 35, only show the adjacent scope (center side of original image) of the direct-view field-of-view image with after amplifying in the original image of side-looking field-of-view image, also can on monitor 35, only show the scope (outer edge side of original image) that the direct-view field-of-view image after not being exaggerated covers.Or, about the described image processing of display mode that changes side-looking field-of-view image, for example, also can on monitor 35, show the field range of the original image that maintains side-looking field-of-view image and to the compressed image after this original image enforcement image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 13 and outputs to monitor 35.In the illustrated observation image of Figure 13, follow the amplification of direct-view field-of-view image to show, show the image suitable with a part for the original image of side-looking field-of-view image or the original image of side-looking field-of-view image is compressed after image.
Here in the update of insertion section, mostly can produce the situation that mainly should be noted that direct-view direction.And, according to the observation image with the display mode shown in Figure 13, can observe the direct-view field-of-view image after amplification on one side, carry out swimmingly the update of insertion section 4 on one side.
And, move such testing result to the center side of observing image in the case of exported described terrestrial reference from the 232b of image analysis portion, (extracting owing to being estimated as insertion section 4, therefore,) image processing part 32a amplifies the processing of side-looking field-of-view image (increase display size in monitor 35), and, carry out changing according to the amplification of side-looking field-of-view image the image processing of the display mode of direct-view field-of-view image.
Particularly, about the described image processing that changes the display mode of looking at field-of-view image straight, for example, can on monitor 35, only show the adjacent scope (outer edge side of original image) of the side-looking field-of-view image with after amplifying in the original image of looking at field-of-view image straight, also can on monitor 35, only show the scope (center side of original image) that the side-looking field-of-view image after not being exaggerated covers.Or, about the described image processing that changes the display mode of looking at field-of-view image straight, for example, also can on monitor 35, show the field range of the original image that maintains direct-view field-of-view image and this original image is implemented to the compressed image after image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 14 and outputs to monitor 35.In the illustrated observation image of Figure 14, follow the amplification of side-looking field-of-view image to show, show the image suitable with the part of original image for direct-view field-of-view image or the original image of direct-view field-of-view image is compressed after image.
In addition, the image processing part 32a of the present embodiment also can have the illustrated display mode of Figure 14, and generates following observation image: comprising insertion section 4 is 230 ° with respect to inserting 50 ° of axial back visibibilitys in interior all visuals field.
Here extracting in operation of insertion section, mostly can produce the situation that mainly should be noted that side-looking direction.And, according to the observation image with the display mode shown in Figure 14, can observe the side-looking field-of-view image after amplification on one side, carry out swimmingly the operation of extracting of insertion section 4 on one side.
In addition, the 232b of image analysis portion, except exporting described terrestrial reference to observing the such testing result of the outer edge side of image or which side shifting of center side, can also export the not mobile such testing result of described terrestrial reference.Thus, in the case of obtaining from the 232b of image analysis portion the mobile not such testing result of described terrestrial reference, (do not move owing to being estimated as insertion section 4, therefore) image processing part 32a also can make the display mode of observing image maintain the display mode identical with last time.
And, the 232b of image analysis portion of the present embodiment is not limited to detect described terrestrial reference to observing the outer edge side of image or which side shifting of center side, for example, can also compare by 2 frames adjacent in time series are observed to image, detect the big or small rheological parameters' change with time of observing the described terrestrial reference in image.Thus, become gradually large such testing result in the case of obtain the size of described terrestrial reference from the 232b of image analysis portion, image processing part 32a generates the illustrated observation image of Figure 13, diminish gradually such testing result in the size that obtains described terrestrial reference from the 232b of image analysis portion, image processing part 32a generates the illustrated observation image of Figure 14, and then, in the case of obtain the constant such testing result of size of described terrestrial reference from the 232b of image analysis portion, (do not move owing to being estimated as insertion section 4, therefore, ) image processing part 32a also can make the display mode of observing image maintain the display mode identical with last time.
And then for example as shown in figure 19, the in the situation that of observation in to tube chamber, the illumination light of observing use is difficult to arrive the direct of travel inboard (opening direction deep) of the insertion section that is inserted into tube chamber, so be shown as dark portion on image.The 232b of image analysis portion of the present embodiment also can utilize this character, by the dark portion on image is set as to terrestrial reference, detects dark portion (being inserted into the direct of travel of the insertion section 4 of tube chamber) and be arranged on the direct-view field-of-view image of current observation image or which image of side-looking field-of-view image.Thus, be present in testing result such in direct-view field-of-view image in the case of obtain dark portion from the 232b of image analysis portion, image processing part 32a generates the illustrated observation image of Figure 13, be present in testing result such in side-looking field-of-view image in the case of obtaining dark portion from the 232b of image analysis portion, image processing part 32a generates the illustrated observation image of Figure 14.
As mentioned above, according to the present embodiment, can be according to the current observation situation of endoscope, raising can be observed the visuognosis of the image of a visual field direction in the observation image of looking at direction and side-looking direction straight simultaneously.
(the 4th embodiment)
Then, the 4th embodiment of the present invention is described.
In addition, in the following description, for the part with the structure identical with the 1st embodiment, the 2nd embodiment or the 3rd embodiment, detailed.And the endoscopic system of the present embodiment has followed respectively in the 1st embodiment the surface structure shown in Fig. 1～Fig. 3 and the display mode shown in Fig. 4, on the other hand, has the structural element different from the structure partial of the major part shown in Fig. 5.Therefore, in the present embodiment, the main explanation part different from the structure of the major part shown in Fig. 5.
First, illustrate in the endoscopic system 301 of major part at Figure 12, be arranged on each portion starting of imaging apparatus 51, light supply apparatus 31, video processor 332 and monitor 35 on the leading section 6 of endoscope 2, thus, export image pickup signal from imaging apparatus 51.
The image processing part 32a of video processor 332 implements signal processing by the image pickup signal to exporting from imaging apparatus 51, and generating video signal also outputs to monitor 35.Thus, display case observation image as shown in Figure 4 on monitor 35.
Operative doctor, by the input operation for pointing input device 364, carries out the instruction for the side in direct-view field-of-view image or the side-looking field-of-view image of the observation image showing on monitor 35 is amplified.In addition, pointing input device 364 can be configured to the device of monomer, or, also can group enter in any device that endoscopic system 301 has.Particularly, pointing input device 364 can be any one party in guidance panel or the foot switch of mirror body switch 25, keyboard 34, video processor 332.
It is to look at the instruction of field-of-view image straight or for amplifying the instruction of side-looking field-of-view image, to image processing part 32a output detections result for amplifying that the instruction input test section 332b of video processor 332 detects the instruction of carrying out in pointing input device 364.
In the case of exporting and carried out the such testing result of the instruction for amplifying direct-view field-of-view image from instruction input test section 332b, image processing part 32a amplifies the processing of direct-view field-of-view image (increasing the display size in monitor 35), and, carry out changing according to the amplification of direct-view field-of-view image the image processing of the display mode of side-looking field-of-view image.
Particularly, about the described image processing of display mode that changes side-looking field-of-view image, for example, can on monitor 35, only show the adjacent scope (center side of original image) of the direct-view field-of-view image with after amplifying in the original image of side-looking field-of-view image, also can on monitor 35, only show the scope (outer edge side of original image) that the direct-view field-of-view image after not being exaggerated covers.Or, about the described image processing of display mode that changes side-looking field-of-view image, for example, also can on monitor 35, show the field range of the original image that maintains side-looking field-of-view image and to the compressed image after this original image enforcement image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 13 and outputs to monitor 35.In the illustrated observation image of Figure 13, follow the amplification of direct-view field-of-view image to show, show the image suitable with a part for the original image of side-looking field-of-view image or the original image of side-looking field-of-view image is compressed after image.
And, in the case of exporting and carried out the such testing result of the instruction for amplifying side-looking field-of-view image from instruction input test section 332b, image processing part 32a amplifies the processing of side-looking field-of-view image (increasing the display size in monitor 35), and, carry out changing according to the amplification of side-looking field-of-view image the image processing of the display mode of direct-view field-of-view image.
Particularly, about the described image processing that changes the display mode of looking at field-of-view image straight, for example, can on monitor 35, only show the adjacent scope (outer edge side of original image) of the side-looking field-of-view image with after amplifying in the original image of looking at field-of-view image straight, also can on monitor 35, only show the scope (center side of original image) that the side-looking field-of-view image after not being exaggerated covers.Or, about the described image processing that changes the display mode of looking at field-of-view image straight, for example, also can on monitor 35, show the field range of the original image that maintains direct-view field-of-view image and this original image is implemented to the compressed image after image Compression.
Then, image processing part 32a, by respectively direct-view field-of-view image and side-looking field-of-view image being implemented to processing as above, generates the observation image of example display mode as shown in figure 14 and outputs to monitor 35.In the illustrated observation image of Figure 14, follow the amplification of side-looking field-of-view image to show, show the image suitable with the part of original image for direct-view field-of-view image or the original image of direct-view field-of-view image is compressed after image.
In addition, the image processing part 32a of the present embodiment also can have the illustrated display mode of Figure 14, and generates following observation image: comprising insertion section 4 is 230 ° with respect to inserting 50 ° of axial back visibibilitys in interior all visuals field.
And pointing input device 364 is not limited to be made up of above-mentioned each device, for example, also can be formed as the mike of voice signal by the sound that can be taken into operative doctor.Thus, instruction input test section 332b also can be by the voice signal of exporting from pointing input device 364 is carried out to voice dissection process, detects the instruction of having carried out for amplifying direct-view field-of-view image still for amplifying the instruction of side-looking field-of-view image.
And, in the present embodiment, also can form as follows pointing input device 364: except the instruction for amplifying direct-view field-of-view image and for amplifying the instruction of side-looking field-of-view image, can also carry out display mode for making to observe image and return the instruction of the illustrated display mode of Fig. 4.
As mentioned above, according to the present embodiment, can observe in the observation image of direct-view direction and side-looking direction simultaneously, can adopt the display mode of the visuognosis of putting forward a high expected visual field direction.And, also can with embodiment 1～3 in automatic display mode switching controls combine to use the switching controls of the display mode that the input operation by pointing input device 364 of the present embodiment realizes.In this case, for example, compared with the control of automatically switching, preferentially carry out the switching by the input operation realization of pointing input device 364, thus, can select the display mode of the expectation corresponding with the intention of operative doctor.
In addition, the invention is not restricted to the various embodiments described above, certainly can in the scope that does not depart from inventive concept, carry out various changes or application.
The application applies for as the basis of claim of priority for No. 2009-255186 in the Japanese Patent Application of Japanese publication taking on November 6th, 2009, and above-mentioned disclosure is referred in present specification, claims and accompanying drawing.
Claims (9)
1. an endoscopic system, it is configured to has:
Endoscope, it has elongated insertion section, obtains direct-view field-of-view image and the side-looking field-of-view image of object of observation thing;
It is characterized in that, this endoscopic system also has:
Test section, it has and can detect the function that whether has used treatment instrument in described endoscope according to run through the alert signal of output while inserting in described endoscope at treatment instrument, or can detect according to the variation of the acceleration of the information as relevant to the moving direction of described insertion section or amount of movement the function of the moving direction of described insertion section; And
Image processing part, it generates circular described side-looking field-of-view image as observing image according to the mode adjacent with the peripheral part of the described direct-view field-of-view image of circle in same picture, according to the testing result of described test section, in display part, amplify the field-of-view image showing in described direct-view field-of-view image and described side-looking field-of-view image, and carry out following adjacent part display process or image Compression, described adjacent part display process refers in the situation that a described field-of-view image is direct-view field-of-view image, in described display part, only show in described side-looking field-of-view image adjacent with the peripheral part of described direct-view field-of-view image and be the part of the direction of insertion side of described endoscope, or show the compressed image of described side-looking field-of-view image, described image Compression refers in the situation that a described field-of-view image is side-looking field-of-view image, in described display part, show the compressed image of described direct-view field-of-view image,
The moving direction that obtains the insertion section of described endoscope at described test section is to extract the testing result of direction, described image processing part carries out for amplify the processing that shows described side-looking field-of-view image at described display part, and replace described adjacent part display process and described image Compression, generate in the following manner and observe the image processing of image: comprising described insertion section with respect to 50 ° of the back visibibilitys that inserts direction of principal axis and extract direction side is 230 ° in interior all visuals field.
2. an endoscopic system, it is configured to has:
Endoscope, it has elongated insertion section, obtains direct-view field-of-view image and the side-looking field-of-view image of object of observation thing;
It is characterized in that, this endoscopic system also has:
Inserted-shape acquisition device, it obtains the inserted-shape that is arranged on the insertion section in described endoscope;
Test section, it has and can detect the function that whether has used treatment instrument in described endoscope according to run through the alert signal of output while inserting in described endoscope at treatment instrument, or can detect according to the signal of the inserted-shape that comprises the described insertion section that described inserted-shape acquisition device obtains the function of the moving direction of described insertion section; And
Image processing part, it generates circular described side-looking field-of-view image as observing image according to the mode adjacent with the peripheral part of the described direct-view field-of-view image of circle in same picture, according to the testing result of described test section, in display part, amplify the field-of-view image showing in described direct-view field-of-view image and described side-looking field-of-view image, and carry out following adjacent part display process or image Compression, described adjacent part display process refers in the situation that a described field-of-view image is direct-view field-of-view image, in described display part, only show in described side-looking field-of-view image adjacent with the peripheral part of described direct-view field-of-view image and be the part of the direction of insertion side of described endoscope, or show the compressed image of described side-looking field-of-view image, described image Compression refers in the situation that a described field-of-view image is side-looking field-of-view image, in described display part, show the compressed image of described direct-view field-of-view image,
The moving direction that obtains the insertion section of described endoscope at described test section is to extract the testing result of direction, described image processing part carries out for amplify the processing that shows described side-looking field-of-view image at described display part, and replace described adjacent part display process and described image Compression, generate in the following manner and observe the image processing of image: comprising described insertion section with respect to 50 ° of the back visibibilitys that inserts direction of principal axis and extract direction side is 230 ° in interior all visuals field.
3. endoscopic system according to claim 1 and 2, is characterized in that,
Described endoscope has one or more switches, and these one or more switches are used to indicate and start front and send the signal of water for exporting in described endoscope,
Described test section replaces described function and has can be to open or the function of closing according to a signal detection function corresponding with this signal of exporting from described switch.
4. endoscopic system according to claim 1 and 2, is characterized in that,
Described test section replaces described function and has the function that can detect the information relevant with the regulation terrestrial reference comprising in described observation image,
Described image processing part, according to the testing result of the information relevant with described regulation terrestrial reference, carries out amplifying in described display part the processing that shows a described field-of-view image.
5. endoscopic system according to claim 4, is characterized in that,
Described test section detects the moving direction of the described regulation terrestrial reference in described observation image.
6. endoscopic system according to claim 4, is characterized in that,
Described test section detects the big or small rheological parameters' change with time of the described regulation terrestrial reference in described observation image.
7. endoscopic system according to claim 4, is characterized in that,
Described test section detects in the position that specifies described in described observation image that terrestrial reference exists.
8. endoscopic system according to claim 1 and 2, is characterized in that,
Described endoscopic system also has pointing input device, and this pointing input device at least can carry out instruction for amplifying described direct-view field-of-view image and for amplifying these 2 instructions of instruction of described side-looking field-of-view image,
Described test section replaces described function and has can detect the function that the instruction of carrying out is which instruction in described 2 instructions in described pointing input device.
9. endoscopic system according to claim 1 and 2, is characterized in that,
Described endoscope has bending section and can make described bending section carry out the bending operation bar of flexure operation,
Described test section replaces described function and has the function that can detect according to the mode of operation of described bending operation bar the bending direction of described bending section.
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Also Published As
| Publication number | Publication date |
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| EP2497406B9 (en) | 2018-08-08 |
| US8419630B2 (en) | 2013-04-16 |
| CN102469930A (en) | 2012-05-23 |
| JP4884567B2 (en) | 2012-02-29 |
| JPWO2011055614A1 (en) | 2013-03-28 |
| EP2497406A4 (en) | 2014-10-01 |
| EP2497406B1 (en) | 2017-12-06 |
| WO2011055614A1 (en) | 2011-05-12 |
| EP2497406A1 (en) | 2012-09-12 |
| US20110275889A1 (en) | 2011-11-10 |
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